CVE-2013-4688

flowd in Juniper Junos 10.4 before 10.4R11 on SRX devices, when the MSRPC Application Layer Gateway (ALG) is enabled, allows remote attackers to cause a denial of service (daemon crash) via crafted MSRPC requests, aka PR 772834.

Published: 2013-07-11 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4688 is rated Moderate Risk (59.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.91%). Core evidence: EPSS rose +1.42% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4688

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.49% 1.91% +1.42%
2 2025-10-09 0.76% 0.49% -0.27%
3 2025-03-30 0.76%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4688

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 6.9 [email protected]

Weakness enumeration for CVE-2013-4688

Affected software / configurations for CVE-2013-4688

Vendor Product Version Raw CPE
juniper junos 10.4 cpe:2.3:o:juniper:junos:10.4:*:*:*:*:*:*:*
juniper srx100 cpe:2.3:h:juniper:srx100:-:*:*:*:*:*:*:*
juniper srx110 cpe:2.3:h:juniper:srx110:-:*:*:*:*:*:*:*
juniper srx1400 cpe:2.3:h:juniper:srx1400:-:*:*:*:*:*:*:*
juniper srx210 cpe:2.3:h:juniper:srx210:-:*:*:*:*:*:*:*
juniper srx220 cpe:2.3:h:juniper:srx220:-:*:*:*:*:*:*:*
juniper srx240 cpe:2.3:h:juniper:srx240:-:*:*:*:*:*:*:*
juniper srx3400 cpe:2.3:h:juniper:srx3400:-:*:*:*:*:*:*:*
juniper srx3600 cpe:2.3:h:juniper:srx3600:-:*:*:*:*:*:*:*
juniper srx550 cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*
juniper srx5600 cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*
juniper srx5800 cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*
juniper srx650 cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*

References for CVE-2013-4688

cvelogic Threat Intelligence